42636340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1409}}^1$

素因数の和:1524

約数の個数: 48

約数和(自身を含む): 95936400

約数和(自身を除く): 53300060

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 89, 170, 178, 340, 356, 445, 890, 1409, 1513, 1780, 2818, 3026, 5636, 6052, 7045, 7565, 14090, 15130, 23953, 28180, 30260, 47906, 95812, 119765, 125401, 239530, 250802, 479060, 501604, 627005, 1254010, 2131817, 2508020, 4263634, 8527268, 10659085, 21318170, 42636340]

約数ペア:

[(1, 42636340), (2, 21318170), (4, 10659085), (5, 8527268), (10, 4263634), (17, 2508020), (20, 2131817), (34, 1254010), (68, 627005), (85, 501604), (89, 479060), (170, 250802), (178, 239530), (340, 125401), (356, 119765), (445, 95812), (890, 47906), (1409, 30260), (1513, 28180), (1780, 23953), (2818, 15130), (3026, 14090), (5636, 7565), (6052, 7045)]