201639840020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1\times {\mathrm{50867}}^1$

素因数の和:51113

約数の個数: 96

約数和(自身を含む): 456859751040

約数和(自身を除く): 255219911020

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 89, 131, 170, 178, 262, 340, 356, 445, 524, 655, 890, 1310, 1513, 1780, 2227, 2620, 3026, 4454, 6052, 7565, 8908, 11135, 11659, 15130, 22270, 23318, 30260, 44540, 46636, 50867, 58295, 101734, 116590, 198203, 203468, 233180, 254335, 396406, 508670, 792812, 864739, 991015, 1017340, 1729478, 1982030, 3458956, 3964060, 4323695, 4527163, 6663577, 8647390, 9054326, 13327154, 17294780, 18108652, 22635815, 26654308, 33317885, 45271630, 66635770, 76961771, 90543260, 113280809, 133271540, 153923542, 226561618, 307847084, 384808855, 453123236, 566404045, 593058353, 769617710, 1132808090, 1186116706, 1539235420, 2265616180, 2372233412, 2965291765, 5930583530, 10081992001, 11861167060, 20163984002, 40327968004, 50409960005, 100819920010, 201639840020]

約数ペア:

[(1, 201639840020), (2, 100819920010), (4, 50409960005), (5, 40327968004), (10, 20163984002), (17, 11861167060), (20, 10081992001), (34, 5930583530), (68, 2965291765), (85, 2372233412), (89, 2265616180), (131, 1539235420), (170, 1186116706), (178, 1132808090), (262, 769617710), (340, 593058353), (356, 566404045), (445, 453123236), (524, 384808855), (655, 307847084), (890, 226561618), (1310, 153923542), (1513, 133271540), (1780, 113280809), (2227, 90543260), (2620, 76961771), (3026, 66635770), (4454, 45271630), (6052, 33317885), (7565, 26654308), (8908, 22635815), (11135, 18108652), (11659, 17294780), (15130, 13327154), (22270, 9054326), (23318, 8647390), (30260, 6663577), (44540, 4527163), (46636, 4323695), (50867, 3964060), (58295, 3458956), (101734, 1982030), (116590, 1729478), (198203, 1017340), (203468, 991015), (233180, 864739), (254335, 792812), (396406, 508670)]