81148300

素因数分解:

$2^2\times 5^2\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1$

素因数の和:379

約数の個数: 72

約数和(自身を含む): 183082032

約数和(自身を除く): 101933732

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 61, 100, 106, 122, 212, 244, 251, 265, 305, 502, 530, 610, 1004, 1060, 1220, 1255, 1325, 1525, 2510, 2650, 3050, 3233, 5020, 5300, 6100, 6275, 6466, 12550, 12932, 13303, 15311, 16165, 25100, 26606, 30622, 32330, 53212, 61244, 64660, 66515, 76555, 80825, 133030, 153110, 161650, 266060, 306220, 323300, 332575, 382775, 665150, 765550, 811483, 1330300, 1531100, 1622966, 3245932, 4057415, 8114830, 16229660, 20287075, 40574150, 81148300]

約数ペア:

[(1, 81148300), (2, 40574150), (4, 20287075), (5, 16229660), (10, 8114830), (20, 4057415), (25, 3245932), (50, 1622966), (53, 1531100), (61, 1330300), (100, 811483), (106, 765550), (122, 665150), (212, 382775), (244, 332575), (251, 323300), (265, 306220), (305, 266060), (502, 161650), (530, 153110), (610, 133030), (1004, 80825), (1060, 76555), (1220, 66515), (1255, 64660), (1325, 61244), (1525, 53212), (2510, 32330), (2650, 30622), (3050, 26606), (3233, 25100), (5020, 16165), (5300, 15311), (6100, 13303), (6275, 12932), (6466, 12550)]