66381250

素因数分解:

$2^1\times 5^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:102

約数の個数: 96

約数和(自身を含む): 144365760

約数和(自身を除く): 77984510

約数列:

[1, 2, 5, 10, 13, 19, 25, 26, 38, 43, 50, 65, 86, 95, 125, 130, 190, 215, 247, 250, 325, 430, 475, 494, 559, 625, 650, 817, 950, 1075, 1118, 1235, 1250, 1625, 1634, 2150, 2375, 2470, 2795, 3125, 3250, 4085, 4750, 5375, 5590, 6175, 6250, 8125, 8170, 10621, 10750, 11875, 12350, 13975, 16250, 20425, 21242, 23750, 26875, 27950, 30875, 40625, 40850, 53105, 53750, 59375, 61750, 69875, 81250, 102125, 106210, 118750, 134375, 139750, 154375, 204250, 265525, 268750, 308750, 349375, 510625, 531050, 698750, 771875, 1021250, 1327625, 1543750, 1746875, 2553125, 2655250, 3493750, 5106250, 6638125, 13276250, 33190625, 66381250]

約数ペア:

[(1, 66381250), (2, 33190625), (5, 13276250), (10, 6638125), (13, 5106250), (19, 3493750), (25, 2655250), (26, 2553125), (38, 1746875), (43, 1543750), (50, 1327625), (65, 1021250), (86, 771875), (95, 698750), (125, 531050), (130, 510625), (190, 349375), (215, 308750), (247, 268750), (250, 265525), (325, 204250), (430, 154375), (475, 139750), (494, 134375), (559, 118750), (625, 106210), (650, 102125), (817, 81250), (950, 69875), (1075, 61750), (1118, 59375), (1235, 53750), (1250, 53105), (1625, 40850), (1634, 40625), (2150, 30875), (2375, 27950), (2470, 26875), (2795, 23750), (3125, 21242), (3250, 20425), (4085, 16250), (4750, 13975), (5375, 12350), (5590, 11875), (6175, 10750), (6250, 10621), (8125, 8170)]