40228700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{683}}^1$

素因数の和:747

約数の個数: 72

約数和(自身を含む): 94993920

約数和(自身を除く): 54765220

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 31, 38, 50, 62, 76, 95, 100, 124, 155, 190, 310, 380, 475, 589, 620, 683, 775, 950, 1178, 1366, 1550, 1900, 2356, 2732, 2945, 3100, 3415, 5890, 6830, 11780, 12977, 13660, 14725, 17075, 21173, 25954, 29450, 34150, 42346, 51908, 58900, 64885, 68300, 84692, 105865, 129770, 211730, 259540, 324425, 402287, 423460, 529325, 648850, 804574, 1058650, 1297700, 1609148, 2011435, 2117300, 4022870, 8045740, 10057175, 20114350, 40228700]

約数ペア:

[(1, 40228700), (2, 20114350), (4, 10057175), (5, 8045740), (10, 4022870), (19, 2117300), (20, 2011435), (25, 1609148), (31, 1297700), (38, 1058650), (50, 804574), (62, 648850), (76, 529325), (95, 423460), (100, 402287), (124, 324425), (155, 259540), (190, 211730), (310, 129770), (380, 105865), (475, 84692), (589, 68300), (620, 64885), (683, 58900), (775, 51908), (950, 42346), (1178, 34150), (1366, 29450), (1550, 25954), (1900, 21173), (2356, 17075), (2732, 14725), (2945, 13660), (3100, 12977), (3415, 11780), (5890, 6830)]