38666940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{557}}^1$

素因数の和:671

約数の個数: 96

約数和(自身を含む): 118117440

約数和(自身を除く): 79450500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 89, 130, 156, 178, 195, 260, 267, 356, 390, 445, 534, 557, 780, 890, 1068, 1114, 1157, 1335, 1671, 1780, 2228, 2314, 2670, 2785, 3342, 3471, 4628, 5340, 5570, 5785, 6684, 6942, 7241, 8355, 11140, 11570, 13884, 14482, 16710, 17355, 21723, 23140, 28964, 33420, 34710, 36205, 43446, 49573, 69420, 72410, 86892, 99146, 108615, 144820, 148719, 198292, 217230, 247865, 297438, 434460, 495730, 594876, 644449, 743595, 991460, 1288898, 1487190, 1933347, 2577796, 2974380, 3222245, 3866694, 6444490, 7733388, 9666735, 12888980, 19333470, 38666940]

約数ペア:

[(1, 38666940), (2, 19333470), (3, 12888980), (4, 9666735), (5, 7733388), (6, 6444490), (10, 3866694), (12, 3222245), (13, 2974380), (15, 2577796), (20, 1933347), (26, 1487190), (30, 1288898), (39, 991460), (52, 743595), (60, 644449), (65, 594876), (78, 495730), (89, 434460), (130, 297438), (156, 247865), (178, 217230), (195, 198292), (260, 148719), (267, 144820), (356, 108615), (390, 99146), (445, 86892), (534, 72410), (557, 69420), (780, 49573), (890, 43446), (1068, 36205), (1114, 34710), (1157, 33420), (1335, 28964), (1671, 23140), (1780, 21723), (2228, 17355), (2314, 16710), (2670, 14482), (2785, 13884), (3342, 11570), (3471, 11140), (4628, 8355), (5340, 7241), (5570, 6942), (5785, 6684)]