64450100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4507}}^1$

素因数の和:4545

約数の個数: 72

約数和(自身を含む): 164343648

約数和(自身を除く): 99893548

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 25, 26, 44, 50, 52, 55, 65, 100, 110, 130, 143, 220, 260, 275, 286, 325, 550, 572, 650, 715, 1100, 1300, 1430, 2860, 3575, 4507, 7150, 9014, 14300, 18028, 22535, 45070, 49577, 58591, 90140, 99154, 112675, 117182, 198308, 225350, 234364, 247885, 292955, 450700, 495770, 585910, 644501, 991540, 1171820, 1239425, 1289002, 1464775, 2478850, 2578004, 2929550, 3222505, 4957700, 5859100, 6445010, 12890020, 16112525, 32225050, 64450100]

約数ペア:

[(1, 64450100), (2, 32225050), (4, 16112525), (5, 12890020), (10, 6445010), (11, 5859100), (13, 4957700), (20, 3222505), (22, 2929550), (25, 2578004), (26, 2478850), (44, 1464775), (50, 1289002), (52, 1239425), (55, 1171820), (65, 991540), (100, 644501), (110, 585910), (130, 495770), (143, 450700), (220, 292955), (260, 247885), (275, 234364), (286, 225350), (325, 198308), (550, 117182), (572, 112675), (650, 99154), (715, 90140), (1100, 58591), (1300, 49577), (1430, 45070), (2860, 22535), (3575, 18028), (4507, 14300), (7150, 9014)]