2562178520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{187843}}^1$

素因数の和:187896

約数の個数: 64

約数和(自身を含む): 6491888640

約数和(自身を除く): 3929710120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 440, 620, 682, 1240, 1364, 1705, 2728, 3410, 6820, 13640, 187843, 375686, 751372, 939215, 1502744, 1878430, 2066273, 3756860, 4132546, 5823133, 7513720, 8265092, 10331365, 11646266, 16530184, 20662730, 23292532, 29115665, 41325460, 46585064, 58231330, 64054463, 82650920, 116462660, 128108926, 232925320, 256217852, 320272315, 512435704, 640544630, 1281089260, 2562178520]

約数ペア:

[(1, 2562178520), (2, 1281089260), (4, 640544630), (5, 512435704), (8, 320272315), (10, 256217852), (11, 232925320), (20, 128108926), (22, 116462660), (31, 82650920), (40, 64054463), (44, 58231330), (55, 46585064), (62, 41325460), (88, 29115665), (110, 23292532), (124, 20662730), (155, 16530184), (220, 11646266), (248, 10331365), (310, 8265092), (341, 7513720), (440, 5823133), (620, 4132546), (682, 3756860), (1240, 2066273), (1364, 1878430), (1705, 1502744), (2728, 939215), (3410, 751372), (6820, 375686), (13640, 187843)]