20076911300

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{64123}}^1$

素因数の和:64269

約数の個数: 72

約数和(自身を含む): 45418259712

約数和(自身を除く): 25341348412

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 101, 124, 155, 202, 310, 404, 505, 620, 775, 1010, 1550, 2020, 2525, 3100, 3131, 5050, 6262, 10100, 12524, 15655, 31310, 62620, 64123, 78275, 128246, 156550, 256492, 313100, 320615, 641230, 1282460, 1603075, 1987813, 3206150, 3975626, 6412300, 6476423, 7951252, 9939065, 12952846, 19878130, 25905692, 32382115, 39756260, 49695325, 64764230, 99390650, 129528460, 161910575, 198781300, 200769113, 323821150, 401538226, 647642300, 803076452, 1003845565, 2007691130, 4015382260, 5019227825, 10038455650, 20076911300]

約数ペア:

[(1, 20076911300), (2, 10038455650), (4, 5019227825), (5, 4015382260), (10, 2007691130), (20, 1003845565), (25, 803076452), (31, 647642300), (50, 401538226), (62, 323821150), (100, 200769113), (101, 198781300), (124, 161910575), (155, 129528460), (202, 99390650), (310, 64764230), (404, 49695325), (505, 39756260), (620, 32382115), (775, 25905692), (1010, 19878130), (1550, 12952846), (2020, 9939065), (2525, 7951252), (3100, 6476423), (3131, 6412300), (5050, 3975626), (6262, 3206150), (10100, 1987813), (12524, 1603075), (15655, 1282460), (31310, 641230), (62620, 320615), (64123, 313100), (78275, 256492), (128246, 156550)]