20120642600

素因数分解:

$2^3\times 5^2\times {\mathrm{61}}^1\times {\mathrm{311}}^1\times {\mathrm{5303}}^1$

素因数の和:5691

約数の個数: 96

約数和(自身を含む): 47709267840

約数和(自身を除く): 27588625240

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 61, 100, 122, 200, 244, 305, 311, 488, 610, 622, 1220, 1244, 1525, 1555, 2440, 2488, 3050, 3110, 5303, 6100, 6220, 7775, 10606, 12200, 12440, 15550, 18971, 21212, 26515, 31100, 37942, 42424, 53030, 62200, 75884, 94855, 106060, 132575, 151768, 189710, 212120, 265150, 323483, 379420, 474275, 530300, 646966, 758840, 948550, 1060600, 1293932, 1617415, 1649233, 1897100, 2587864, 3234830, 3298466, 3794200, 6469660, 6596932, 8087075, 8246165, 12939320, 13193864, 16174150, 16492330, 32348300, 32984660, 41230825, 64696600, 65969320, 82461650, 100603213, 164923300, 201206426, 329846600, 402412852, 503016065, 804825704, 1006032130, 2012064260, 2515080325, 4024128520, 5030160650, 10060321300, 20120642600]

約数ペア:

[(1, 20120642600), (2, 10060321300), (4, 5030160650), (5, 4024128520), (8, 2515080325), (10, 2012064260), (20, 1006032130), (25, 804825704), (40, 503016065), (50, 402412852), (61, 329846600), (100, 201206426), (122, 164923300), (200, 100603213), (244, 82461650), (305, 65969320), (311, 64696600), (488, 41230825), (610, 32984660), (622, 32348300), (1220, 16492330), (1244, 16174150), (1525, 13193864), (1555, 12939320), (2440, 8246165), (2488, 8087075), (3050, 6596932), (3110, 6469660), (5303, 3794200), (6100, 3298466), (6220, 3234830), (7775, 2587864), (10606, 1897100), (12200, 1649233), (12440, 1617415), (15550, 1293932), (18971, 1060600), (21212, 948550), (26515, 758840), (31100, 646966), (37942, 530300), (42424, 474275), (53030, 379420), (62200, 323483), (75884, 265150), (94855, 212120), (106060, 189710), (132575, 151768)]