31775000

素因数分解:

$2^3\times 5^5\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:103

約数の個数: 96

約数和(自身を含む): 78744960

約数和(自身を除く): 46969960

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 41, 50, 62, 82, 100, 124, 125, 155, 164, 200, 205, 248, 250, 310, 328, 410, 500, 620, 625, 775, 820, 1000, 1025, 1240, 1250, 1271, 1550, 1640, 2050, 2500, 2542, 3100, 3125, 3875, 4100, 5000, 5084, 5125, 6200, 6250, 6355, 7750, 8200, 10168, 10250, 12500, 12710, 15500, 19375, 20500, 25000, 25420, 25625, 31000, 31775, 38750, 41000, 50840, 51250, 63550, 77500, 96875, 102500, 127100, 128125, 155000, 158875, 193750, 205000, 254200, 256250, 317750, 387500, 512500, 635500, 775000, 794375, 1025000, 1271000, 1588750, 3177500, 3971875, 6355000, 7943750, 15887500, 31775000]

約数ペア:

[(1, 31775000), (2, 15887500), (4, 7943750), (5, 6355000), (8, 3971875), (10, 3177500), (20, 1588750), (25, 1271000), (31, 1025000), (40, 794375), (41, 775000), (50, 635500), (62, 512500), (82, 387500), (100, 317750), (124, 256250), (125, 254200), (155, 205000), (164, 193750), (200, 158875), (205, 155000), (248, 128125), (250, 127100), (310, 102500), (328, 96875), (410, 77500), (500, 63550), (620, 51250), (625, 50840), (775, 41000), (820, 38750), (1000, 31775), (1025, 31000), (1240, 25625), (1250, 25420), (1271, 25000), (1550, 20500), (1640, 19375), (2050, 15500), (2500, 12710), (2542, 12500), (3100, 10250), (3125, 10168), (3875, 8200), (4100, 7750), (5000, 6355), (5084, 6250), (5125, 6200)]