40671920

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{373}}^1$

素因数の和:462

約数の個数: 80

約数和(自身を含む): 100172160

約数和(自身を除く): 59500240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 47, 58, 80, 94, 116, 145, 188, 232, 235, 290, 373, 376, 464, 470, 580, 746, 752, 940, 1160, 1363, 1492, 1865, 1880, 2320, 2726, 2984, 3730, 3760, 5452, 5968, 6815, 7460, 10817, 10904, 13630, 14920, 17531, 21634, 21808, 27260, 29840, 35062, 43268, 54085, 54520, 70124, 86536, 87655, 108170, 109040, 140248, 173072, 175310, 216340, 280496, 350620, 432680, 508399, 701240, 865360, 1016798, 1402480, 2033596, 2541995, 4067192, 5083990, 8134384, 10167980, 20335960, 40671920]

約数ペア:

[(1, 40671920), (2, 20335960), (4, 10167980), (5, 8134384), (8, 5083990), (10, 4067192), (16, 2541995), (20, 2033596), (29, 1402480), (40, 1016798), (47, 865360), (58, 701240), (80, 508399), (94, 432680), (116, 350620), (145, 280496), (188, 216340), (232, 175310), (235, 173072), (290, 140248), (373, 109040), (376, 108170), (464, 87655), (470, 86536), (580, 70124), (746, 54520), (752, 54085), (940, 43268), (1160, 35062), (1363, 29840), (1492, 27260), (1865, 21808), (1880, 21634), (2320, 17531), (2726, 14920), (2984, 13630), (3730, 10904), (3760, 10817), (5452, 7460), (5968, 6815)]