90641980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{773}}^1$

素因数の和:847

約数の個数: 96

約数和(自身を含む): 229376448

約数和(自身を除く): 138734468

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 41, 44, 52, 55, 65, 82, 110, 130, 143, 164, 205, 220, 260, 286, 410, 451, 533, 572, 715, 773, 820, 902, 1066, 1430, 1546, 1804, 2132, 2255, 2665, 2860, 3092, 3865, 4510, 5330, 5863, 7730, 8503, 9020, 10049, 10660, 11726, 15460, 17006, 20098, 23452, 29315, 31693, 34012, 40196, 42515, 50245, 58630, 63386, 85030, 100490, 110539, 117260, 126772, 158465, 170060, 200980, 221078, 316930, 348623, 412009, 442156, 552695, 633860, 697246, 824018, 1105390, 1394492, 1648036, 1743115, 2060045, 2210780, 3486230, 4120090, 4532099, 6972460, 8240180, 9064198, 18128396, 22660495, 45320990, 90641980]

約数ペア:

[(1, 90641980), (2, 45320990), (4, 22660495), (5, 18128396), (10, 9064198), (11, 8240180), (13, 6972460), (20, 4532099), (22, 4120090), (26, 3486230), (41, 2210780), (44, 2060045), (52, 1743115), (55, 1648036), (65, 1394492), (82, 1105390), (110, 824018), (130, 697246), (143, 633860), (164, 552695), (205, 442156), (220, 412009), (260, 348623), (286, 316930), (410, 221078), (451, 200980), (533, 170060), (572, 158465), (715, 126772), (773, 117260), (820, 110539), (902, 100490), (1066, 85030), (1430, 63386), (1546, 58630), (1804, 50245), (2132, 42515), (2255, 40196), (2665, 34012), (2860, 31693), (3092, 29315), (3865, 23452), (4510, 20098), (5330, 17006), (5863, 15460), (7730, 11726), (8503, 10660), (9020, 10049)]